GLOCK Extended Slide Stop Lever And Spring For most 3 pin 9mm, .40SW, .357 SIG, 45 GAP, 10mm (SF & Gen4) and 45 ACP (SF & Gen4) models. These are factory OEM parts.

Also fits the 2 Pin G19.

Does Not Fit the GLOCK 30S, 36, 41 and other 2 pin GLOCK models. 

PLEASE NOTE: 3 PIN GLOCK MODELS REFERS TO GLOCK PISTOLS THAT HAVE TWO PINS ABOVE THE TRIGGER AND ONE PIN IN THE REAR OF THE FRAME